JEP is a Java library for parsing and evaluating mathematical expressions. With this package you can allow your users to enter an arbitrary formula as a string, and instantly evaluate it. JEP supports user defined variables, constants, and functions. A number of common mathematical functions and constants are included.
J2Native is the software development kit for working with native code from any Java application without using Java Native Interface (JNI) technology. While using J2Native you do not have to create native code libraries or deal with native code at all. You can call functions from any dynamic library or use system API without necessity to waste time on studying JNI.
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